20792517

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:377

約数の個数: 24

約数和(自身を含む): 29772864

約数和(自身を除く): 8980347

約数列:

[1, 3, 19, 57, 73, 219, 263, 361, 789, 1083, 1387, 4161, 4997, 14991, 19199, 26353, 57597, 79059, 94943, 284829, 364781, 1094343, 6930839, 20792517]

約数ペア:

[(1, 20792517), (3, 6930839), (19, 1094343), (57, 364781), (73, 284829), (219, 94943), (263, 79059), (361, 57597), (789, 26353), (1083, 19199), (1387, 14991), (4161, 4997)]